number_to_percentage(number, options = {})
Instance Public methods
Formats a number as a percentage string (e.g., 65%). You can
customize the format in the options hash.
Options
:locale - Sets the locale to be used for formatting (defaults
to current locale).
:precision - Sets the precision of the number (defaults to 3).
:significant - If true, precision will be the #
of significant_digits. If false, the # of fractional digits
(defaults to false).
:separator - Sets the separ